In Treatment of Erectile dysfunction Bigfun 100 has a place with a gathering of drugs called PDE5 inhibitors. It works by loosening up the veins in your penis. This permits blood to stream into the penis and produce an erection when physically stimulated. This medication will possibly assist with getting an erection assuming that you are physically invigorated. It is extremely successful however should be required something like 30 minutes before sexual action. Try not to take this medication assuming you additionally take meds called nitrates (frequently given for chest torment).